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https://dev.mysql.com/doc/ndbapi/en/ndb-errors-handling.html
Abstract This section describes how NDB API errors can be detected and mapped onto particular operations. NDB API errors can be generated in either of two ways: When an operation is defined When an operation is executed Errors raised during ...
https://dev.mysql.com/doc/ndbapi/en/overview-terminology.html
Abstract This section provides a glossary of terms which are unique to the NDB and MGM APIs, or that have a specialized meaning when applied in the context of either or both of these APIs. The terms in the following list are useful to an ...
https://dev.mysql.com/doc/refman/8.4/en/using-explain.html
The EXPLAIN statement provides information about how MySQL executes statements: EXPLAIN works with SELECT, DELETE, INSERT, REPLACE, and UPDATE statements. When EXPLAIN is used with an explainable statement, MySQL displays information from the ...
https://dev.mysql.com/doc/refman/8.4/en/bnl-bka-optimization.html
In MySQL, a Batched Key Access (BKA) Join algorithm is available that uses both index access to the joined table and a join buffer. The BKA algorithm supports inner join, outer join, and semijoin operations, including nested outer joins. Benefits ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-change-buffer.html
The change buffer is a special data structure that caches changes to secondary index pages when those pages are not in the buffer pool. The buffered changes, which may result from INSERT, UPDATE, or DELETE operations (DML), are merged later when ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-3.html
C API Notes Compilation Notes Configuration Notes SQL Function and Operator Notes JavaScript Programs Performance Schema Notes sys Schema Notes Thread Pool Notes Functionality Added or Changed Bugs Fixed C API Notes The asynchronous interface used ...
https://dev.mysql.com/doc/refman/8.4/en/window-function-descriptions.html
This section describes nonaggregate window functions that, for each row from a query, perform a calculation using rows related to that row. Most aggregate functions also can be used as window functions; see Section 14.19.1, “Aggregate Function ...
https://dev.mysql.com/doc/connectors/en/connector-cpp-apps-general-considerations.html
This section discusses general considerations to keep in mind when building Connector/C++ applications. For information that applies to particular platforms, see the section that applies to your platform in Section 2.5.2, “Building Connector/C++ ...
https://dev.mysql.com/doc/connectors/en/connector-j-usagenotes-troubleshooting.html
This section explains the symptoms and resolutions for the most commonly encountered issues with applications using MySQL Connector/J. Questions 3.14.1: When I try to connect to the database with MySQL Connector/J, I get the following exception: ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-troubleshooting.html
This section explains the symptoms and resolutions for the most commonly encountered issues with applications using MySQL Connector/J. Questions 16.1: When I try to connect to the database with MySQL Connector/J, I get the following exception: ...